1350889 has 2 divisors, whose sum is σ = 1350890. Its totient is φ = 1350888.

The previous prime is 1350883. The next prime is 1350893. The reversal of 1350889 is 9880531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1265625 + 85264 = 1125^2 + 292^2 .

It is a cyclic number.

It is not a de Polignac number, because 1350889 - 2⁵ = 1350857 is a prime.

1350889 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1350883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 675444 + 675445.

It is an arithmetic number, because the mean of its divisors is an integer number (675445).

2^1350889 is an apocalyptic number.

It is an amenable number.

1350889 is a deficient number, since it is larger than the sum of its proper divisors (1).

1350889 is an equidigital number, since it uses as much as digits as its factorization.

1350889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 1350889 is about 1162.2775055898. The cubic root of 1350889 is about 110.5451996656.

The spelling of 1350889 in words is "one million, three hundred fifty thousand, eight hundred eighty-nine".